306404132985 has 24 divisors (see below), whose sum is σ = 559053156480. Its totient is φ = 154814719392.

The previous prime is 306404132899. The next prime is 306404133041. The reversal of 306404132985 is 589231404603.

306404132985 is a `hidden beast` number, since 30 + 6 + 404 + 132 + 9 + 85 = 666.

It is not a de Polignac number, because 306404132985 - 2¹⁸ = 306403870841 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 306404132985.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 179182849 + ... + 179184558.

It is an arithmetic number, because the mean of its divisors is an integer number (23293881520).

Almost surely, 2^306404132985 is an apocalyptic number.

It is an amenable number.

306404132985 is a deficient number, since it is larger than the sum of its proper divisors (252649023495).

306404132985 is a wasteful number, since it uses less digits than its factorization.

306404132985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358367437 (or 358367434 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 306404132985 in words is "three hundred six billion, four hundred four million, one hundred thirty-two thousand, nine hundred eighty-five".